value	unc_up	unc_lo	author	ref	method
12.66	3.630	3.630	Nugent	2016AJ....152...63N	NEATM
13.09	2.520	2.520	Masiero	2012ApJ...759L...8M	NEATM
17.43	5.560	5.560	Masiero	2021PSJ.....2..162M	NEATM